Discussion on Key Technologies for Transportation Organization of Heavy-Haul Trains with Larger Traction Quality
A series of policies such as the construction of the national comprehensive transportation system,the adjustment of transportation structure,the goals of carbon peaking and carbon neutrality,and the green and low-carbon development have provided a sound environment for the development of heavy-haul transportation.On the basis of the normal operation of the existing 10 000-ton and 20 000-ton heavy-haul trains,this paper explored the operation of heavy-haul trains with larger traction quality,which could improve both heavy-haul railway carrying capacity and heavy-haul technologies.The current operation of trains with large traction quality in China and abroad was reviewed,and the importance of operating trains with larger traction quality in China was proposed.In addition,the impact of operating trains with larger traction quality on transportation organization was analyzed from the aspects of traffic flow organization,tracking interval,station collection and distribution capacity,and train operation safety,and the key technologies for transportation organization of trains with larger traction quality were proposed,including marshaling scheme design technology,traffic flow organization technology,tracking interval calibration technology,station collection and distribution capability adaptability analysis technology,train combination and decomposition scheme formulation technology,emergency support scheme formulation technology,and supportive technology for transportation organization.These technologies provide a reference for the development of trains with larger traction quality on heavy-haul railways.
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